This site has a brief biography of Jarry, as well as links to other Jarry sites. The Bibliography of English Translations link may prove especially helpful.

http://www.fas.harvard.edu/~art/ubu.html.

This site for a production of Ubu Rock also contains an interesting set of links to online articles concerning Ubu Roi. The article on the play's opening night in December of 1896 may prove particularly illuminating.

Shattuck, Roger. The Banquet Years: The Origins of the Avant Garde in France, 1885 to World War I: Alfred Jarry, Henry Rousseau, Erik Satie and Guillaume Apollinair, Random House, 1979.

This influential volume examines the cultural upheaval brought about by such turn-of-the-century artists as Jarry and Composer Erik Satie. Shattuck discusses how the arts were driven into a period of renewal and accomplishment and how the ground-work for Dada-ism and Surrealism...